... reworking machine can give a simple stovinging by heating chip with 165°C for about 10 minutes.The professional handing is to ... 100°C, stoving all the board and chip for above 10 hours.Even brand new chip,if stored in room enviroment, still absorb ... 250°C,when starting to heat PCB chip,the actual temperature bottom is different, for a while,the temperature will be uniform ...